In Jain tradition, Sauripura is generally identified with Dwaraka/Mathura, not with Junagadh district. The Junagadh–Girnar area is mainly associated with Lord Neminath’s moksha (liberation) at Mount Girnar. Some later discussions try to connect ancient names with the Junagadh region, but the standard Jain identification of Sauripura is not Junagadh district. ( jainqq.org)

If you want, I can also explain the Jain historical mapping of Sauripura, Dwaraka, and Girnar in simple terms.